Published by:
CGP EDU Academic Team
Published on: August 14, 2026
On the surface of the earth at 1 atm pressure, a balloon filled with H 2 gas occupies 500 mL. This volume is 5/6 of its maximum capacity. The balloon is left in air. It starts rising. The height above which the balloon will burst if temperature of the atmosphere remains constant and the pressure decreases 1 mm for every 100 cm rise of height is
Text Solution
Verified by ExpertsThe correct answer is:
C
Max capacity of balloon = 600 ml
P 1 V 1 = P 2 V 2
500 × 1 = 600 × P 2
P 2 = 
× 760 mm = 633 mm
Height above which balloon will burst = (760 – 633) × 100 cm = 127 × 100 cm = 127 m
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